Other currency pairs were mostly steady, with the euro at $1.1467, though cryptocurrencies have rallied in the past day to lift bitcoin to an eight-month high above $87,000
At $1.1535 the euro was not far from Monday's one-month low of $1.1523, while sterling , at $1.3470, was not far above a six-week trough of $1.3464 it had made on Monday